Select your task, then "Actions/Edit," then "Backup schedules," then "Add backup schedule." Make up your Sunday weekly FULL at 4am and OK that schedule. Then"Add backup schedule" once again and set up your DAILY INCREMENTAL at 4am and OK. Then use the image retention policy under the scheduling area and set up how many FULLs/INCREMENTALS you want to have.
It seems fairly simple...
It seems fairly simple...